Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1985-06-06
1987-04-07
Torrence, Dolph H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540467, C07D32300
Patent
active
046562958
ABSTRACT:
A process for isolating macrocyclic polyethers from open-chained polyglycols in a mixture by extraction with saturated hydrocarbons in the presence of at least 10 percent by weight ethylene glycol based on the weight of the mixture of macrocyclic polyethers and open-chained polyglycols.
REFERENCES:
patent: 4254034 (1981-03-01), van Zon
patent: 4435582 (1984-03-01), Krijnen et al.
Mandolini et al, Synthetic Communications, vol. 9, pp. 851-856 (1979).
Consortium fur Elektrochemische Industrie GmbH
Torrence Dolph H.
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